121123000010320 has 160 divisors (see below), whose sum is σ = 362425185017856. Its totient is φ = 36534796761600.

The previous prime is 121123000010219. The next prime is 121123000010323. The reversal of 121123000010320 is 23010000321121.

It is a super-2 number, since 2×121123000010320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121123000010294 and 121123000010303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123000010323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316951374 + ... + 317333293.

Almost surely, 2^{121123000010320} is an apocalyptic number.

121123000010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121123000010320 is an abundant number, since it is smaller than the sum of its proper divisors (241302185007536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121123000010320 is a wasteful number, since it uses less digits than its factorization.

121123000010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634284729 (or 634284723 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121123000010320 its reverse (23010000321121), we get a palindrome (144133000331441).

The spelling of 121123000010320 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, ten thousand, three hundred twenty".